<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<div style="width: 100px;float:left;">
<p><a href="/index" target="window">销售</a></p>
<p><a href="hello01.html" target="window">销售信息查询</a></p>
<p><a href="hello02.html" target="window">查看库存</a></p>
</div>
<div style="float: left;border: 1px solid blueviolet;width: 700px;height: 350px">
<iframe name="window" frameborder="no" width="700px" height="350px">

</iframe>
</div>

</body>
</html>